*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
}
.bg-light{
    padding: 0;
    background: #fff!important;
}
.navbar-light .navbar-brand{
    padding: 0;
}
.navbar-brand img{
    position:relative;
    z-index:100;
}
.navbar-light .navbar-nav .nav-link{
    padding-left:15px;
}
.navbar-light .navbar-nav .nav-link:first-child{
    color: #f3821c;
    font-weight: bold;
}
/*主体*/
.sect_top{
    height:556.578px;
}
.sect_top img{
    width: 100%;
    position:absolute;
    top:77px;
}
.sect_top .wenzi{
    position:relative;
    top:140px;
    left:225px;
}
.wenzi h1{
    color: #fbfffd;
}
.wenzi p{
    font-size: 25px;
    color:#f8f6fb;
}
.wenzi .but1{
    width: 169px;
    height: 50px;
    background:#f68a2f;
    border: 0;
    color: #fff;
}
.sect_1  .top{
    text-align: center;
    margin-top: 40px;
}
.sect_1  .top p{
    font-size: 14px;
    color: #757a7e;
}
.sect_2 .row .col-lg-4::after{
    display: table;
    content:"";
    clear: both;
}
.sect_2 .row .col-lg-4{
    margin-top: 60px;
}
.sect_2 .row .col-lg-4 img{
    float: left;
    padding-top:25px;
    padding-bottom: 10px;
    margin-right: 20px;
}
.sect_2 .row .col-lg-4 p{
    font-size: 14px;
}
.sect_3>img{
    width: 100%;
    position:absolute;
}
.sect_3>.img2{
  display: none;
}
.sect_3 .top{
    text-align: center;
    font-size:14px;
    color:#fff;
    margin-top: 50px;
}
.sect_3 .left{
    color:#fff;
    width:43%;
    float: right;
    margin-top:85px;
}
.sect_3 .left ul li{
    list-style: none;
}
.sect_3>.container{
    position:relative;
    top: 50px;
    height:710px;
}
.sect_4 .top{
    color:#000;
}
.sect_4 .top p{
    color: #676767;
}
.sect4_bottom  .col-lg-4 p{
    margin-bottom:0;
    color: #5995cb;
    margin-top: 20px;
}
.sect4_bottom  .col-lg-4 span{
    color: #757a7e;
}
.sect_5 .top{
    margin-top: 100px;
}
.sect5_bottom ul li{
    list-style: none;
    margin-top: 50px;
}
.sect5_bottom ul li a{
    border:1px solid #f3f3f3;
    display: block;
    padding:20px;
    border-radius: 5px;
    text-align: center;
}
footer{
    background: #2d2d2d;
    color: #fff;
    padding-top: 50px;
}
footer ul li a{
    color: #fff;
}
footer ul li:first-child a{
    font-weight: bold;
    color: #fff;
}
footer ul li:first-child{
    font-weight: bold;
}
.footer_bottom{
    background:#202020;
    margin-top: 40px;
    height: 80px;
    line-height:80px;
}
.footer_bottom .container{
    height: 80px!important;
}
.footer_bottom .row{
    height: 80px;
}
.footer_bottom .row .col-lg-6{
    height: 80px;
}
.footer_bottom::after{
    display: table;
    content: "";
    clear: both;
}
.footer_bottom ul li{
    float: right;
    margin-left: 10px;
}
@media (max-width:600px) {
    .container{
        width: 100%;
    }
    .sect_top{
        width: 100%;
        height: 300px;
        padding-left: 15px;
        padding-right:15px;
    }
    .navbar-light .navbar-brand{
        width: 50px;
    }
    .navbar-brand img{
        position: static;
        padding-bottom:10px;
        padding-top: 10px;
        width:125px;
    }
    .sect_top img{
        position: static;
    }
    .sect_top .wenzi{
        top:0;
        left:0;
    }
    .wenzi{
        text-align: center;
        padding-top:10px;
        padding-bottom: 10px;
    }
    .wenzi h1{
        color: #838B89;
        font-size:23px;
    }
    .wenzi p{
        color:#838B89;
        font-size:19px;
    }
    .wenzi .but1{
        width:162px;
        height:45px;
        background:#f68a2f;
        border: 0;
        color: #fff;
        font-size:20px;
    }
    .sect_1 .top{
        margin-top:50px;
    }
    .sect_2 .row .col-lg-4 img{
        padding-top:35px;
        padding-bottom:20px;
    }
    .sect_3 .left{
        width: 100%;
        margin-top:30px;
      height:730px;
    }
    .sect_3>.container{
        top:240px;
        background: #f68a2f;
        height:665px;
    }
    .sect_3>img{
        display: none;
    }
    .sect_3>.img2{
        display: block;
    }
    .sect_4 .container{
        margin-top:50px;
    }
    .sect4_bottom{
        width: 100%;
    }
    .sect4_bottom img{
        width: 100%;
        margin-top: 20px;
    }
    .footer_bottom{
        height:130px;
    }
    .footer_bottom .row .col-lg-6{
        height: 40px;
    }
    .footer_bottom ul li{
        float: left;
    }
    .footer_bottom p{
        font-size:13px;
    }
}
@media (max-width:320px) {
    .sect_3>.container{
        height: 720px;
        top:190px;
    }
}